Finding the Fourth Proportional to 276,836.48, 382,034.20 and 149,512.08
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Solution
The fourth proportional to 276,836.48, 382,034.20 and 149,512.08 is: 206,326.59
Step by Step Solution
- Step 1: Write the proportion equation
276,836.48 : 382,034.20 = 149,512.08 : x - Step 2: Convert to fraction form
276,836.48/382,034.20 = 149,512.08/x - Step 3: Cross multiply
276,836.48x = 382,034.20 × 149,512.08 - Step 4: Simplify right side
276,836.48x = 57,118,727,873.14 - Step 5: Solve for x
x = 57,118,727,873.14/276,836.48 - Step 6: Final answer
x = 206,326.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.